Author(s)

Document Type

Article

Subject Area(s)

Chemical Engineering

Abstract

TheBr2/Br– electrode reaction with tribromide complex formation reaction in thesolution, a chemical-electrochemical (C-E) type reaction, has been investigated in orderto determine the effect of the chemical reaction on theelectrode kinetics. It is shown that the chemical reaction has littleeffect on the electrode kinetics at very slow homogeneous reaction rates,but has a more drastic effect on the electrode kineticsat faster homogeneous reaction rates. Also, the kinetics at the electrodeare affected by changes in the concentrations of the activespecies (Br2, Br–, and Br3–) in the bulk solution asa consequence of the coupling effect of the chemical reaction onthe electrode kinetics.